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Lista de obras de Alexei Pevtsov

70 Years of Chromospheric Solar Activity and Dynamics

artículo científico publicado en 2020

A Century of Solar Ca ii Measurements and Their Implication for Solar UV Driving of Climate

A Comparison Between Nonlinear Force-Free Field and Potential Field Models Using Full-Disk SDO/HMI Magnetogram

scholarly article

A New Method of Calibration of Photographic Plates from Three Historic Data Sets

A change in solar radio spectrum during the decay of the Modern Maximum

artículo científico publicado en 2024

A dataset of manually annotated filaments from H-alpha observations

artículo científico publicado en 2024

A new dynamo pattern revealed by solar helical magnetic fields

scholarly article

A statistical study of trans-equatorial loops from 2006 to 2020

artículo científico publicado en 2023

Active Regions with Superpenumbral Whirls and Their Subsurface Kinetic Helicity

scholarly article

Active-Region Filaments and X-ray Sigmoids

2002 scientific article

An Overview of Existing Algorithms for Resolving the 180° Ambiguity in Vector Magnetic Fields: Quantitative Tests with Synthetic Data

Analyses of Equatorward Auroral Extensions during the Extreme Geomagnetic Storm on 15 July 1959

artículo científico publicado en 2023

Analysis of Solar Hemispheric Chromosphere Properties using the Kodaikanal Observatory Ca–K Index

artículo científico publicado en 2022

Application of Mutual Information Methods in Time–Distance Helioseismology ⬇️

Are Moreton Waves Coronal Phenomena? ⬇️

artículo científico publicado en 2007

Bi-lognormal Distribution of Sunspot Group Areas

artículo científico publicado en 2021

Bimodal Distribution of Magnetic Fields and Areas of Sunspots

Case study of a magnetic transient in NOAA 11429 observed by SDO/HMI during the M7.9 flare on 2012 March 13 ⬇️

scientific article published in the Astrophysical Journal

Chirality of Chromospheric Filaments ⬇️

artículo científico publicado en 2003

Clarifying the relation between chromospheric emissions and photospheric magnetic fields using AIA 1600 Å and HMI data

artículo científico publicado en 2022

Comparison of Ground-Based and Space-Based Longitudinal Magnetograms

Complex Magnetic Evolution and Magnetic Helicity in the Solar Atmosphere

Continuous Solar Observations from the Ground—Assessing Duty Cycle from GONG Observations

artículo científico publicado en 2021

Coronal Heating and Photospheric Turbulence Parameters: Observational Aspects ⬇️

artículo científico publicado en 2006

Coronal Heating in Active Regions as a Function of Global Magnetic Variables ⬇️

artículo científico publicado en 1998

Coronal Magnetic Field Structure and Evolution for Flaring AR 11117 and Its Surroundings

scholarly article

Coronal Magnetography of Solar Active Region 8365 with the SSRT and NoRH Radio Heliographs

Coronal Mass Ejections from Magnetic Systems Encompassing Filament Channels Without Filaments

Coronal structures as tracers of sub-surface processes

Correlation Between Sunspot Number and Ca ii K Emission Index ⬇️

scholarly article

Current Helicity of the Large‐Scale Photospheric Magnetic Field ⬇️

artículo científico publicado en 2000

Cyclic and Long-Term Variation of Sunspot Magnetic Fields

Design of a next generation synoptic solar observing network: solar physics research integrated network group (SPRING)

article

Distribution of magnetic bipoles on the Sun over three solar cycles ⬇️

artículo científico publicado en 2010

Duffing Oscillator Model of Solar Cycles

artículo científico publicado en 2020

Effect of Additional Magnetograph Observations From Different Lagrangian Points in Sun‐Earth System on Predicted Properties of Quasi‐Steady Solar Wind at 1 AU

artículo científico publicado en 2020

Effect of magnetic field inclination on SDO/AIA 1600 Å emission

artículo científico publicado en 2024

Effect of uncertainties in solar synoptic magnetic flux maps in modeling of solar wind

Electric Currents in the Solar Atmosphere

artículo científico publicado en 2018

Electric currents in a unipolar sunspot

artículo científico publicado en 1990

Evidence of Separator Reconnection in a Survey of X‐Ray Bright Points ⬇️

scientific article published in the Astrophysical Journal

Extended statistical analysis of emerging solar active regions

artículo científico publicado en 2019

Faraday Rotation Methods to Detect Coronal Currents and MHD Wave Activity

scholarly article

First synoptic maps of photospheric vector magnetic field from SOLIS/VSM: non-radial magnetic fields and hemispheric pattern of helicity ⬇️

artículo científico publicado en 2013

First use of synoptic vector magnetograms for global nonlinear, force-free coronal magnetic field models

artículo científico publicado en 2014

Flux‐Tube Twist Resulting from Helical Turbulence: The Σ‐Effect ⬇️

scientific article published in the Astrophysical Journal

Formation of coronal holes on the ashes of active regions ⬇️

artículo científico publicado en 2010

Full-disk nonlinear force-free field extrapolation of SDO/HMI and SOLIS/VSM magnetograms

artículo científico publicado en 2013

Global Solar Free Magnetic Energy and Electric Current Density Distribution of Carrington Rotation 2124

Ground-based Synoptic Studies of the Sun

artículo científico publicado en 2023

Ground-based synoptic instrumentation for solar observations

Hard X-ray emission during flares and photospheric field changes ⬇️

artículo científico publicado en 2015

Helicity Evolution in Emerging Active Regions ⬇️

artículo científico publicado en 2003

Helicity Measurements from Two Magnetographs

Helicity and Reconnection in the Solar Corona: Observations

artículo científico publicado en 2013

Helicity comparison among three magnetographs

Helicity of the Photospheric Magnetic Field

artículo científico publicado en 2013

Helicity patterns on the sun

Helicity transport and generation in the solar convection zone

article published in 2003

Hemispheric Distribution of Subsurface Kinetic Helicity and Its Variation with Magnetic Activity

Hemispheric Helicity Trend for Solar Cycle 23 ⬇️

artículo científico publicado en 2001

How to Advance Studies of Coronal Faraday Rotation

scholarly article

Improved Observational Coverage of the Solar Magnetic Field

artículo científico publicado en 2023

Improvements in the Determination of ISS Ca ii K Parameters

Improving Solar Polar Field Observations from the Ground

artículo científico publicado en 2023

Intensity and time series of extreme solar-terrestrial storm in 1946 March

artículo científico publicado en 2020

Investigation of the evolution of coronal bright points and magnetic field topology

artículo científico publicado en 2014

Latitudinal Distribution of the Coronal Bright Points at Solar Minimum and the Rising Phase of Solar Activity Cycle 23

Latitudinal variation of helicity of photospheric magnetic fields

artículo científico publicado en 1995

Long-term studies of photospheric magnetic fields on the Sun

artículo científico publicado en 2021

Long-term trends in sunspot magnetic fields ⬇️

Long-term variations in sunspot magnetic field-area relation

Long-term variations in the sunspot magnetic fields and bipole properties from 1918 to 2014

Magnetic Connectivity Between Active Regions 10987, 10988, and 10989 by Means of Nonlinear Force-Free Field Extrapolation

Magnetic Helicity in Space and Laboratory Plasmas: Editorial Summary

artículo científico publicado en 2013

Magnetic Helicity of Solar Active Regions as Revealed by Vector Magnetograms and Coronal X-Ray Images

Magnetic Helicity, Tilt, and Twist

Magnetic Helicity, Tilt, and Twist

artículo científico publicado en 2015

Magnetic helicity attracts interdisciplinary participation at Chapman Conference

Magnetic helicity of the global field in solar cycles 23 and 24 ⬇️

scientific article published in the Astrophysical Journal

Magnetic twist and writhe of active regions ⬇️

artículo científico publicado en 2002

Modeling the Global Coronal Field with Simulated Synoptic Magnetograms from Earth and the Lagrange Points L3$L_{3}$, L4$L_{4}$, and L5$L_{5}$

scholarly article

Modern Faraday Rotation Studies to Probe the Solar Wind

artículo científico publicado en 2022

Multi-Height Measurements of the Solar Vector Magnetic Field

artículo científico publicado en 2023

NOAA 7926: A Kinked Ω‐Loop? ⬇️

artículo científico publicado en 1998

Nonlinear force-free field extrapolation in spherical geometry: improved boundary data treatment applied to a SOLIS/VSM vector magnetogram

scientific article published in Astronomy and Astrophysics

Number of Coronal Bright Points in Different Phases of the Solar Activity Cycle

Observational Evidence of Magnetic Flux Submergence in Flux Cancellation Sites ⬇️

scientific article published in the Astrophysical Journal

Observations for Improving SEP Forecasts and Warnings

artículo científico publicado en 2023

On a limitation of Zeeman polarimetry and imperfect instrumentation in representing solar magnetic fields with weaker polarization signal

artículo científico publicado en 2021

On a possible explanation of the long-term decrease in sunspot field strength ⬇️

article

On anticorrelation of number of coronal bright points with sunspot number during 1996–2006

On possible variations of basal Ca II K chromospheric line profiles with the solar cycle ⬇️

artículo científico publicado en 2013

On the Application of the Equal-contrast Technique to Ca-K Data from Kodaikanal and Other Observatories

artículo científico publicado en 2022

On the Origin of Helicity in Active Region Magnetic Fields

On the Solar Cycle Variation of the Hemispheric Helicity Rule ⬇️

artículo científico publicado en 2008

On the Subphotospheric Origin of Coronal Electric Currents ⬇️

artículo científico publicado en 1997

On the Tilt and Twist of Solar Active Regions ⬇️

artículo científico publicado en 2004

On the origin of the solar Moreton wave of 2006 December 6 ⬇️

scientific article published in the Astrophysical Journal

On the presence of two populations of sunspots ⬇️

scientific article published in the Astrophysical Journal

On the timing of the next great solar activity minimum

Patterns of Variation for the Sun and Sun-like Stars

artículo científico publicado en 2018

Patterns of helicity in solar active regions

artículo científico publicado en 1994

Photospheric and Coronal Currents in Solar Active Regions ⬇️

scientific article published in the Astrophysical Journal

Pixel analysis of photospheric spectral data. I. Plasma dynamics ⬇️

artículo científico publicado en 2016

Preface

Preface

scholarly article published in Geophysical Monograph

Probing the Magnetic Field Structure of Coronal Mass Ejections with Faraday Rotation

scholarly article

Properties of Magnetic Neutral Line Gradients and Formation of Filaments

Properties of sunspot umbrae of leading and trailing polarity in 1917–2013

Reconnection and Helicity in a Solar Flare ⬇️

artículo científico publicado en 1996

Reconstructing solar magnetic fields from historical observations

artículo científico publicado en 2018

Reconstructing solar magnetic fields from historical observations

artículo científico publicado en 2017

Reconstructing solar magnetic fields from historical observations

artículo científico publicado en 2024

Reconstructing solar magnetic fields from historical observations

artículo científico publicado en 2022

Reconstructing solar magnetic fields from historical observations

artículo científico publicado en 2019

Reconstructing solar magnetic fields from historical observations

artículo científico publicado en 2019

Reconstructing solar magnetic fields from historical observations

artículo científico publicado en 2019

Reconstructing solar magnetic fields from historical observations. I. Renormalized Ca K spectroheliograms and pseudo-magnetograms

artículo científico publicado en 2015

Resolving Azimuth Ambiguity Using Vertical Nature of Solar Quiet-Sun Magnetic Fields

Rotation of Solar Corona from Tracking of Coronal Bright Points ⬇️

artículo científico publicado en 2006

Search for a Signature of Twist-removal in the Magnetic Field of Sunspots in Relation with Major Flares

artículo científico publicado en 2017

Sequential Chromospheric Brightenings beneath a Transequatorial Halo Coronal Mass Ejection ⬇️

scientific article published in the Astrophysical Journal

Sequential chromospheric brightenings: The case for chromospheric evaporation

Sigmoids as precursors of solar eruptions

Signature of differential rotation in sun-as-a-star ca II K measurements ⬇️

artículo científico publicado en 2012

Sinuous coronal loops at the sun

Small-scale and global dynamos and the area and flux distributions of active regions, sunspot groups, and sunspots: a multi-database study ⬇️

scientific article published in the Astrophysical Journal

Soft X‐Ray Luminosity and Photospheric Magnetic Field in Quiet Sun ⬇️

artículo científico publicado en 2001

Solar Cycle 23 in Coronal Bright Points

Solar Filament Eruptions in H α Doppler Velocity

artículo científico publicado en 2023

Solar Origins of Space Weather and Space Climate: Preface

Solar Wind Modeling with the Alfvén Wave Solar atmosphere Model Driven by HMI-based Near-real-time Maps by the National Solar Observatory

artículo científico publicado en 2023

Solar and Heliospheric Magnetism in 5D

artículo científico publicado en 2023

Solar cycle dependency of X-ray bright points and photospheric bipoles

Solar magnetic fields and geomagnetic events

artículo científico publicado en 2001

Solar magnetic helicity injected into the heliosphere: magnitude, balance, and periodicities over solar cycle 23 ⬇️

artículo científico publicado en 2009

Solar wind and coronal bright points inside coronal holes ⬇️

artículo científico publicado en 2011

Solving The Space Weather Problem: A 15+ Year Roadmap to Revolutionize Space Weather Research, Protect NASA Space Assets, and Enable Robust Operations

artículo científico publicado en 2023

Some Features of the Two Sunspot Group Populations’ Properties

artículo científico publicado en 2018

Space Weather Forecasting and Supporting Research in the USA

Statistical Correlations between Parameters of Photospheric Magnetic Fields and Coronal Soft X‐Ray Brightness ⬇️

artículo científico publicado en 2007

Statistical Properties of Superpenumbral Whorls around Sunspots ⬇️

artículo científico publicado en 2004

Structure and evolution of the photospheric magnetic field in 2010–2017: comparison of SOLIS/VSM vector field and BLOS potential field

scholarly article

Temperature variability in X-ray bright points observed with Hinode/XRT

artículo científico publicado en 2010

The Faraday Effect Tracker of Coronal and Heliospheric Structures (FETCH) Instrument

The Intensity and Evolution of the Extreme Solar and Geomagnetic Storms in 1938 January

artículo científico publicado en 2021

The Mount Wilson Observatory S-index of the Sun ⬇️

artículo científico publicado en 2017

The Relationship Between X‐Ray Radiance and Magnetic Flux ⬇️

artículo científico publicado en 2003

The Sunspot Drawing Collection of the National Solar Observatory at Sacramento Peak (1947–2004)

artículo científico publicado en 2021

The disappearing solar filament of 2003 June 11: a three-body problem ⬇️

artículo científico publicado en 2011

The effect of telescope aperture, scattered light and human vision on early measurements of sunspot and group numbers

scholarly article

The magnetic field vector of the Sun-as-a-star – II. Evolution of the large-scale vector field through activity cycle 24

artículo científico publicado en 2018

The minimum of solar cycle 23: as deep as it could be? ⬇️

artículo científico publicado en 2015

The possible impact of L5 magnetograms on non-potential solar coronal magnetic field simulations ⬇️

artículo científico publicado en 2016

The relationship between the longitudinal magnetic field and the line-of-sight velocity at different angular positions of sunspots

article by A. A. Pevtsov published September 1992 in Solar Physics

The reversal of the Sun’s magnetic field in cycle 24

The reversal of the Sun’s magnetic field in cycle 24

artículo científico publicado en 2016

The sun-as-a-star solar spectrum

The vorticity of Solar photospheric flows on the scale of granulation

Tilt angle and lifetime of sunspot groups

artículo científico publicado en 2020

Tilt of Sunspot Bipoles in Solar Cycles 15 to 24

scholarly article

Transequatorial Connections: Loops or Magnetic Separators?

Transequatorial Loops in the Solar Corona ⬇️

artículo científico publicado en 2000

Transition to a weaker Sun: Changes in the solar atmosphere during the decay of the Modern Maximum

artículo científico publicado en 2024

Transport of open magnetic flux between solar polar regions

Twisted Flux Tubes and How They Get That Way

artículo científico publicado en 2013

Two Populations of Sunspot Groups and Their Meridional Motions

artículo científico publicado en 2023

Two Populations of Sunspots: Differential Rotation

Two populations of sunspots and secular variations of their characteristics

Two types of coronal bright points their characteristics, and evolution

Uncertainties in Solar Synoptic Magnetic Flux Maps

Vector magnetic fields, subsurface stresses and evolution of magnetic helicity

Vorticity patterns of sunspot Hα whirls

What Is the Role of the Kink Instability in Solar Coronal Eruptions? ⬇️

artículo científico publicado en 2003

What SDO tells us about structure and evolution of coronal bright points

What helicity can tell us about solar magnetic fields

What if we had a magnetograph at Lagrangian L5?

X‐Ray Bright Points and Photospheric Bipoles during Cycles 22 and 23 ⬇️

artículo científico publicado en 2002

ngGONG — Future Ground-based Facilities for Research in Heliophysics and Space Weather Operational Forecast

artículo científico publicado en 2023

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